HVAC & Refrigeration

Testo offers you greater mobility when measuring: used in conjunction with your smartphone or tablet, the handy testo 549i high-pressure gauge is s...

For air-conditioning engineers: Compact kit containing four measuring instruments for your most important measuring tasks in, on, and involving air...

The testo 905-T2 surface thermometer provides you with the best piece of equipment for dealing with temperature measurements on both smooth and une...

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen Testo 300 Pro Combustion Analyzer i...

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen Testo 300 Pro Combustion Analyzer i...

The new Next-Gen Testo 300 Smoke Edition combustion analyzer is ideal for the most important heating system measurements. It combines decades of ex...

The new Next-Gen Testo 300 Smoke Edition combustion analyzer is ideal for the most important heating system measurements. It combines decades of ex...

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away. The practical kit containing the Testo...

The compact Testo 905i professional thermometer, in conjunction with a smartphone or tablet, is ideal for measuring ambient temperature as well as ...

The Testo 511 is normally used to measure absolute pressure, e.g. for density compensation in flow measurement in ducts, laboratories, and producti...

Use the testo 440 dP air velocity and IAQ measuring instrument in combination with the high-quality, digital probes to measure and store all air ve...

Connection hose silicone-free for differential pressure measurement, length 5 m, load up to maximum 700 hPa, (mbar)

The Testo 570-2 digital manifold gauge won’t just take the weight off your mind – it will also take the weight off your arms and shoulders.That’s b...

In order to check the lubricating oil pressure in the refrigeration compressor, simply attach the oil pressure probe to the appropriate measuring i...

This external vacuum probe for the Testo 557 is designed to provide faster and more reliable evacuation measurements from 0 to 20,000 microns. This...

The testo 550s digital manifold with Bluetooth and a 2-way valve block features a large graphic display, a compact, robust housing, guided measurem...

The testo 550i app-controlled digital manifold with Bluetooth ®, 2-way valve block and sturdy hook offers extensive measurement technology in an ex...

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital ...

Use the humidity/temperature probe with the compatible testo multifunction measuring instrument (please order separately) to measure relative humid...

With the Testo 560i wireless refrigerant scale, you can measure refrigerant weight quickly, precisely, and conveniently. Use a Testo manifold and t...